Merge pull request ydb-platform#6 from MBkkt/BitIndex

Fix typo

Author: azevaykin

ydb/library/yql/udfs/common/knn/knn-distance.h

@@ -185,15 +185,15 @@ inline TDistanceResult KnnCosineSimilarity(const TStringRef& str1, const TString
     switch (format1) {
         case EFormat::FloatVector:
             return VectorFunc<float>(str1, str2, [&](const float* v1, const float* v2, size_t len) {
-                auto res = ::TriWayDotProduct(v1, v2, len);
+                const auto res = ::TriWayDotProduct(v1, v2, len);
                 return compute(res.LL, res.LR, res.RR);
             });
         case EFormat::Uint8Vector:
             return VectorFunc<ui8>(str1, str2, [&](const ui8* v1, const ui8* v2, size_t len) {
                 // TODO We can optimize it if we will iterate over both vector at the same time, look to the float implementation
-                const auto ll = ::DotProduct(v1, v2, len);
-                const auto lr = ::DotProduct(v1, v2, len);
-                const auto rr = ::DotProduct(v1, v2, len);
+                const ui64 ll = ::DotProduct(v1, v1, len);
+                const ui64 lr = ::DotProduct(v1, v2, len);
+                const ui64 rr = ::DotProduct(v2, v2, len);
                 return compute(ll, lr, rr);
             });
         case EFormat::BitVector:

ydb/library/yql/udfs/common/knn/test/canondata/test.test_CosineDistance_/results.txt

@@ -85,7 +85,7 @@
                 "Data" = [
                     [
                         [
-                            "0"
+                            "1"
                         ]
                     ]
                 ]
@@ -147,7 +147,7 @@
                 "Data" = [
                     [
                         [
-                            "0"
+                            "0.025368094"
                         ]
                     ]
                 ]

ydb/library/yql/udfs/common/knn/test/canondata/test.test_CosineSimilarity_/results.txt

@@ -85,7 +85,7 @@
                 "Data" = [
                     [
                         [
-                            "1"
+                            "0"
                         ]
                     ]
                 ]
@@ -147,7 +147,7 @@
                 "Data" = [
                     [
                         [
-                            "1"
+                            "0.9746319"
                         ]
                     ]
                 ]

ydb/library/yql/udfs/common/knn/test/canondata/test.test_Uint8Serialization_/results.txt

@@ -119,7 +119,7 @@
                 "Data" = [
                     [
                         [
-                            "0"
+                            "0.025368094"
                         ]
                     ]
                 ]
@@ -150,7 +150,7 @@
                 "Data" = [
                     [
                         [
-                            "0"
+                            "0.025368094"
                         ]
                     ]
                 ]
@@ -181,7 +181,7 @@
                 "Data" = [
                     [
                         [
-                            "0"
+                            "0.025368094"
                         ]
                     ]
                 ]
@@ -212,7 +212,7 @@
                 "Data" = [
                     [
                         [
-                            "0"
+                            "0.025368094"
                         ]
                     ]
                 ]